Lighting device for generating a rectangular pattern at the work

Details Lighting device for generating a rectangular pattern at the work Lighting device for generating a rectangular pattern at the work

1997-12-04

1999-12-07

O'Shea, Sandra

Illumination

Light modifier

Refractor

362335, 362337, F21V 500

Patent

active

059971568

ABSTRACT:
A lighting device which can be used for illuminating pedestrian crossings or in other applications where it is necessary to form a defined and uniform rectangular pattern includes a parabolic reflector element and a planar screen with an array of cylindrical microlenses or microprisms on a surface thereof.

REFERENCES:
patent: 2551954 (1951-05-01), Lehman
patent: 3735124 (1973-05-01), Stahlhut
patent: 5521725 (1996-05-01), Beeson
patent: 5600455 (1997-02-01), Ishikawa
patent: 5676453 (1997-10-01), Parkyn

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